<template>
  <div class="department-management-container">
    <el-alert
      :closable="false"
      show-icon
      title="特别权限的菜单不允许被修改、删除，添加菜单时一旦设置‘不允许被删除（即特别权限）’后将不可修改"
      type="warning"
    />
    <vab-query-form>
      <vab-query-form-left-panel :span="12">
        <el-button
          icon="el-icon-plus"
          type="primary"
          @click="handleEdit($event)"
        >
          添加
        </el-button>
        <el-button
          icon="el-icon-delete"
          type="danger"
          @click="handleDelete($event)"
        >
          批量删除
        </el-button>
      </vab-query-form-left-panel>
      <vab-query-form-right-panel :span="12">
        <el-form :inline="true" :model="queryForm" @submit.prevent>
          <el-form-item>
            <el-input
              v-model.trim="queryForm.name"
              clearable
              placeholder="请输入名称"
            />
          </el-form-item>
          <el-form-item>
            <el-button icon="el-icon-search" type="primary" @click="queryData">
              查询
            </el-button>
          </el-form-item>
        </el-form>
      </vab-query-form-right-panel>
    </vab-query-form>

    <el-table
      v-loading="listLoading"
      border
      :data="list"
      default-expand-all
      row-key="ruleId"
      :tree-props="{ children: 'children' }"
      @selection-change="setSelectRows"
    >
      <el-table-column show-overflow-tooltip type="selection" />
      <el-table-column label="名称" prop="title" show-overflow-tooltip />
      <el-table-column label="父节点Id" prop="pid" show-overflow-tooltip />
      <el-table-column label="路由" prop="path" show-overflow-tooltip />
      <el-table-column label="组件" prop="component" show-overflow-tooltip />
      <el-table-column
        label="创建时间"
        prop="createTime"
        show-overflow-tooltip
      />
      <el-table-column label="操作" width="85">
        <template #default="{ row }">
          <el-button
            v-show="row.disabled !== 1"
            type="text"
            @click="handleEdit(row)"
          >
            编辑
          </el-button>
          <el-button
            v-show="row.disabled !== 1"
            type="text"
            @click="handleDelete({ row })"
          >
            删除
          </el-button>
          <el-button
            v-show="row.disabled === 1"
            :disabled="row.disabled === 1"
            type="text"
            @click="handleDelete({ row })"
          >
            不可操作
          </el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty
          class="vab-data-empty"
          description=" "
          :image="require('@/assets/empty_images/data_empty.png')"
          :image-size="250"
        />
      </template>
    </el-table>
    <el-pagination
      background
      :current-page="queryForm.pageNo"
      :layout="layout"
      :page-size="queryForm.pageSize"
      :total="total"
      @current-change="handleCurrentChange"
      @size-change="handleSizeChange"
    />
    <edit ref="editRef" @fetch-data="fetchData" />
  </div>
</template>

<script>
  import {
    defineComponent,
    getCurrentInstance,
    onMounted,
    reactive,
    toRefs,
  } from 'vue'
  import { getList } from '@/api/router'
  import { doDelete } from '@/api/system_rule'
  import Edit from './components/DepartmentManagementEdit'

  export default defineComponent({
    name: 'DepartmentManagement',
    components: { Edit },
    setup() {
      const { proxy } = getCurrentInstance()

      const state = reactive({
        editRef: null,
        list: [],
        listLoading: true,
        layout: 'total, sizes, prev, pager, next, jumper',
        total: 0,
        selectRows: '',
        queryForm: {
          pageNo: 1,
          pageSize: 10,
          title: '',
        },
      })

      const setSelectRows = (val) => {
        state.selectRows = val
      }
      const handleEdit = (row) => {
        if (row.ruleId) {
          state.editRef.showEdit(row)
        } else {
          state.editRef.showEdit()
        }
      }
      const handleDelete = (rowTemp) => {
        console.log(rowTemp)
        let row = rowTemp.row
        if (row && row.ruleId) {
          proxy.$baseConfirm('你确定要删除当前项吗', null, async () => {
            const { msg } = await doDelete({ ids: row.ruleId })
            proxy.$baseMessage(msg, 'success', 'vab-hey-message-success')
            await fetchData()
          })
        } else {
          if (state.selectRows.length > 0) {
            const ids = state.selectRows.map((item) => item.ruleId).join()
            proxy.$baseConfirm('你确定要删除选中项吗', null, async () => {
              const { msg } = await doDelete({ ids })
              proxy.$baseMessage(msg, 'success', 'vab-hey-message-success')
              await fetchData()
            })
          } else {
            proxy.$baseMessage('未选中任何行', 'error', 'vab-hey-message-error')
          }
        }
      }
      const handleSizeChange = (val) => {
        state.queryForm.pageSize = val
        fetchData()
      }
      const handleCurrentChange = (val) => {
        state.queryForm.pageNo = val
        fetchData()
      }
      const queryData = () => {
        state.queryForm.pageNo = 1
        fetchData()
      }
      const fetchData = async () => {
        state.listLoading = true
        const {
          data: { list, total },
        } = await getList()
        state.list = setList(list)
        state.total = total
        state.listLoading = false
      }
      const setList = (list) => {
        for (let i = 0; i < list.length; i++) {
          if (list[i].children.length === 0) {
            list[i].children = null
          } else {
            list[i].children = setList(list[i].children)
          }
        }
        return list
      }
      onMounted(() => {
        fetchData()
      })

      return {
        ...toRefs(state),
        setSelectRows,
        handleEdit,
        handleDelete,
        handleSizeChange,
        handleCurrentChange,
        queryData,
        fetchData,
      }
    },
  })
</script>
